First lady Michelle Obama is making sure that whoever inhabits the White House next doesn’t rip out her iconic vegetable garden — at least not without a big fuss.

On Wednesday afternoon, Obama unveiled a much bigger version of the garden, which uses concrete, stone and steel to make it a more permanent fixture on the South Lawn. The updates are seen not just as preserving Obama’s garden — recognized globally as a symbol of local food — but also as a way to dissuade, say, a President Donald Trump from scrapping it the way Ronald Reagan tore out Jimmy Carter's solar panels after he moved into the White House.

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“I think people would be really upset,” said Marta McDowell, a landscape historian who recently wrote a book on White House gardens. She called Obama’s preservation plan “brilliant,” adding, “If it were taken out, it would truly just be a political statement.”

Unlike Obama's sweeping school nutrition reforms, the garden has largely escaped GOP ire, but it has not been without controversy. Just days after she planted the garden in 2009 — the precursor to her childhood obesity campaign — the pesticide lobby was piqued by media reports that called it organic and wrote the first lady, urging her to promote conventional agriculture techniques. The White House did not write back.

The White House has already made arrangements with the National Park Service for the future upkeep of the garden, which has served as the backdrop of meetings with world leaders such as German Chancellor Angela Merkel. It has even managed to secure a private $2.5 million funding stream for maintenance to defray the cost to taxpayers.

“I take great pride in knowing that this little garden will live on as a symbol of the hopes and dreams we all hold of growing a healthier nation for our children,” Obama said in an emotional speech Wednesday afternoon as she dedicated the garden before an audience of advocates, food industry leaders and others who have helped with Let’s Move!, her signature childhood obesity campaign.

"I am hopeful that future first families will cherish this garden like we have," Michelle Obama said Wednesday. | John Shinkle

"I am hopeful that future first families will cherish this garden like we have," she added.

During a background briefing on the garden changes, White House officials were peppered with questions about whether the preservation actually prevents a future president from removing the legacy plot.

The short answer is no. “It is up to the next administration how they would like to manage the garden,” a White House official said, declining to answer the question directly. “The National Park Service will continue to maintain it.”

Neither presidential candidate, nor their spouses, have offered any indication of their intentions about the garden.

“If Trump were elected president, he'd probably dig up Michelle Obama's vegetable garden in favor of a putting green,” joked a recent piece in the Miami New Times.

Trump, known for his opulent taste, has offered few clues about his interest, or lack thereof, in changing the White House grounds or interior. His penchant for fast food, from McDonald’s to KFC chicken and taco bowls, might make him less inclined in growing kale, sweet potatoes and kohlrabi in the backyard.

“If I were elected I would probably look at the White House, and maybe touch it up a little bit,” Trump told People Magazine last year. “But the White House is a special place, you don’t want to do much touching.”

It’s also unclear that the Clintons would adopt the garden as their own, although supporters can’t imagine them bulldozing it, either. During his administration, Bill Clinton kept a small vegetable garden on the roof, but declined requests to put a garden on the lawn.

(Neither the Trump nor Clinton campaign responded to requests about their plans for White House kitchen garden 35 days before the election.)

The South Lawn redecoration has added a large new, stone-paved seating area and a prominent archway, cemented into the lawn. | John Shinkle

With all the uncertainty, however, it’s clear that the latest iteration of the first lady’s vegetable garden is built to last. Sawdust pathways have been widened and replaced with blue stone. The garden features a large new, stone-paved seating area and a prominent archway, cemented into the lawn.

Underneath, a large paving stone carries an inscription: “WHITE HOUSE KITCHEN GARDEN, established in 2009 by First Lady Michelle Obama with the hope of growing a healthier nation for our children.”

The White House noted that the new structures incorporate both wood, chosen for “durability,” and steel — “combined to make the elements stronger bonded together than when they stand alone.” The wood includes pine and walnut harvested from the estates of founding fathers Thomas Jefferson, James Madison, James Monroe and the birthplace of Martin Luther King Jr.

None of these changes, however, preclude the next administration from nixing the garden. It is the president’s home and he or she can do whatever their family wishes, in consultation with the Secret Service, the National Park Service and the U.S. Commission of Fine Arts — and plenty of changes have been made over the years.

Bill Clinton had a jogging path installed on the lawn after complaints that his runs were disrupting Washington traffic. George W. Bush removed it. George H.W. Bush set up a horseshoe pit. Bill Clinton scrapped it and then George W. Bush brought it back. The tennis court has been moved twice, according to Jonathan Pliska, author of "A Garden for the President," a book out this week on the history of the grounds from the White House Historical Association.

But historians like Pliska are quick to note that even in an intensely polarized political era, it’s actually exceedingly rare for a president to make a political statement with a change to the White House grounds. The removal of Carter’s solar panels stands out as a glaring example — and even then, they were removed quietly.

The Obama administration has sought to eliminate any justifications for its removal through a cooperative agreement with the park service, which already manages the White House grounds and the University of Virginia School of Architecture, which helped design the updated layout. The National Park Foundation, a nonprofit that supports the national park system, Wednesday announced it has received a $2.5 million in donations from the Burpee Foundation and the W. Atlee Burpee Company, a leading seed and garden supply company, to help maintain and preserve the garden.

“The South Lawn vegetables, fruits, and herbs inspire people across the country to eat locally, mindfully and healthfully,” said George Ball, chairman and CEO of the W. Atlee Burpee Company.

It’s not clear how many years of upkeep the funding would actually cover. White House officials said it was impossible to estimate how much the 2,800 square-foot garden costs to maintain since it’s cared for of as part of the grounds. It was widely reported it cost only $200 in supplies to build back in 2009. The garden started out at 1,100 square feet, with 55 varieties of fruits and vegetables, but had grown over the years, to 1,700 square feet before its latest expansion.

Obama has been widely credited with starting the first significant vegetable garden since Eleanor Roosevelt commissioned a victory garden outside the White House during World War II, but the precedent for presidential vegetables stretches back even further.

Sawdust pathways have been widened and replaced with blue stone in the renovated South Lawn gardens.

“It really goes almost all the way the back, though there are gaps,” said Pliska, who noted that during the Civil War, Mary Todd Lincoln was known to take White House-harvested strawberries and flowers to Union soldiers in nearby hospitals. There are also records of James Madison ordering cabbage seeds dating back to 1809.

Currently, White House chefs use the garden, which produces some 2,000 pounds of produce a year, for state dinners and family meals. Some of the produce is also donated to local nonprofits.

President Barack Obama, for his part, has woven the garden into his diplomacy. He gave Pope Francis a box of seeds from it when he visited the Vatican. The Obamas also routinely give heads of state and their wives honey from the first-ever White House beehive, which sits next to the garden.

"My husband will tell you one of the most frequent questions he gets from world leaders is, 'How's your wife's garden?'" Michelle Obama said Wednesday.

There is also plenty of precedent for a first lady dedicating a garden. Lady Bird Johnson dedicated a major garden near the East Wing to Jacqueline Kennedy. At the end of her husband's administration, she also dedicated a new Children's Garden as a gift to future administrations. Both are still fixtures on the South Lawn.

But whether Obama’s vegetable garden can endure might be a bigger test.

“This is the only one of the first lady gardens that’s visible to the public,” said Eddie Gehman Kohan, who’s exhaustively chronicled the Obama’s food initiatives and is working on a book about the culinary history of the White House. “This is what the public sees.”

The update to preserve the garden is welcome, she said, noting that the vegetables, fruit trees and herbs have already withstood a hurricane, multiple snow storms and some very hot D.C. summers.

“This is adding physical stature to the garden to make it less likely that it will be removed,” she said.